Ultra Receiver 401 & Ultra A.F. Amplifier B403
Industrial Radio Service; Saginaw, Michigan
- Country
- United States of America (USA)
- Manufacturer / Brand
- Industrial Radio Service; Saginaw, Michigan
- Year
- 1922
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 235065
- Number of Tubes
- 9
- Main principle
- TRF with regeneration; 3 AF stage(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Storage and/or dry batteries / 6 & 67.5 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Ultra Receiver 401 & Ultra A.F. Amplifier B403 - Industrial Radio Service;
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
Combination: Ultra R.F. Receiver 401 & Ultra A.F. Amplifier B403.
Receiving range: 150 to 750 meters.
The complete receiving set employs the use of nine Myers Hi Mu audion tubes.
- Literature/Schematics (1)
- Radio Digest Illustrated, 1922 Dec. 02, p. 7
- Author
- Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.
- Other Models
-
Here you find 9 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Industrial Radio Service; Saginaw, Michigan